Red-leaf Spiral Ginger (Costus erythrophyllus)

Red-leaf Spiral Ginger

Costus erythrophyllus

Its spiral stems and red undersides bring warm, layered texture to shade. Evergreen herbaceous perennial; common name: Red-leaf Spiral Ginger.

Partial sun
2/week
Beginner
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Plant Needs

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Sunlight Bright indirect light or dappled shade; avoid direct midday sun to prevent leaf scorching
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Watering Keep soil consistently moist but not waterlogged; ensure drainage holes to avoid root rot
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Temperature Thrives in warm, humid tropical conditions; avoid temperatures below 15°C to prevent leaf browning
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Characteristics

  • Leaf: Lanceolate leaves with glossy green tops and deep red undersides, arranged spirally around upright stems
  • Flower: Tubular pale yellow to cream blooms emerging from vibrant red bracts at stem tips
  • Stem: Succulent, non-woody upright stems with a distinctive spiral growth pattern
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Care Guide

Watering

Maintain consistent soil moisture; mist leaves twice weekly to boost ambient humidity

Fertilization

Diluted balanced liquid feed every 4 weeks. Discontinue fertilization in autumn and winter when growth slows

Banana peel compost tea:Soak fully composted banana peels in water for 24 hours, dilute 1:20 for root drench; discard solids to avoid pest infestations and odor
Pruning
  • Trim spent flower bracts to encourage new stem and flower growth
  • Remove yellowing lower leaves to maintain a tidy clumping form
  • Divide overcrowded clumps in early spring to propagate and refresh plant health
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed non-toxic to cats; no adverse effects reported

Humans: No known toxic effects on humans from ingestion or skin contact

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental foliage and flower display; cut flower arrangements for indoor decor